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711527

Sigma-Aldrich

5-Hydroxy-1-methyl-3-(trifluoromethyl)pyrazole

≥97%

Synonym(s):

1-Methyl-3-trifluoromethyl-1H-pyrazol-5-ol, 2-Methyl-5-trifluoromethyl-2H-pyrazol-3-ol

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About This Item

Empirical Formula (Hill Notation):
C5H5F3N2O
CAS Number:
122431-37-2
Molecular Weight:
166.10
Beilstein:
3542117
MDL number:
MFCD00139833
UNSPSC Code:
12352100
PubChem Substance ID:
329763064

Assay

≥97%

form

crystals

mp

172-178 °C

SMILES string

Cn1nc(cc1O)C(F)(F)F

InChI

1S/C5H5F3N2O/c1-10-4(11)2-3(9-10)5(6,7)8/h2,11H,1H3

InChI key

UGVAQFVQIHNCJV-UHFFFAOYSA-N

Pictograms

Skull and crossbones
GHS06

Signal Word

Danger

Hazard Statements

H301,H315,H319,H335

Hazard Classifications

Acute Tox. 3 Oral - Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

Target Organs

Respiratory system

Storage Class Code

6.1D - Non-combustible acute toxic Cat.3 / toxic hazardous materials or hazardous materials causing chronic effects

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

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